modiloader | a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 01:48

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General

Target

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
Size

116KB
MD5

b07192a45e252c5913f4f881ac9feb53
SHA1

8e20f4850c3ec172bd34dbe5d789e775e9f8155a
SHA256

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016
SHA512

e46c40177e3b0f20fccf1b1acc54a74e7cbdffd052c628460eced577cc1e1cbb038f6bbe450c7f01b5ad7efb5328d9712c7ae27fcdf0171abd70acb12897cd3e
SSDEEP

1536:JOH1ZaQvR1KiX3NK6I+hZhYrt/w5Q6G6IpiRYzz9qJHhhnm0yG5aP/5PxVj:JCKQJcinxphkG5Q6GdpIOkJHhKRfj

Score

10^/10

modiloader discovery persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4176-49-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/4176-45-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/4176-53-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/4176-57-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/4176-56-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/4176-62-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe

Executes dropped EXE 3 IoCs

Processes:

Flaseher.exeFlaseher.exeFlaseher.exe

pid	Process
1872	Flaseher.exe
4436	Flaseher.exe
4176	Flaseher.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\.Flasfh = "C:\\Users\\Admin\\AppData\\Roaming\\..Flash\\Flaseher.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exeFlaseher.exe

description	pid	Process	procid_target
PID 2304 set thread context of 4804	2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	91
PID 1872 set thread context of 4436	1872	Flaseher.exe	103
PID 1872 set thread context of 4176	1872	Flaseher.exe	104

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4804-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4804-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4804-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4804-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4804-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4436-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

Flaseher.exeFlaseher.exeFlaseher.exea100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exea100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.execmd.exereg.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flaseher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flaseher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flaseher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

Flaseher.exe

description	pid	Process
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe
Token: SeDebugPrivilege	4436	Flaseher.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exea100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exeFlaseher.exeFlaseher.exe

pid	Process
2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
4804	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
1872	Flaseher.exe
4436	Flaseher.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exea100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.execmd.exeFlaseher.exe

description	pid	Process	procid_target
PID 2304 wrote to memory of 4804	2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	91
PID 2304 wrote to memory of 4804	2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	91
PID 2304 wrote to memory of 4804	2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	91
PID 2304 wrote to memory of 4804	2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	91
PID 2304 wrote to memory of 4804	2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	91
PID 2304 wrote to memory of 4804	2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	91
PID 2304 wrote to memory of 4804	2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	91
PID 2304 wrote to memory of 4804	2304	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	91
PID 4804 wrote to memory of 3600	4804	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	94
PID 4804 wrote to memory of 3600	4804	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	94
PID 4804 wrote to memory of 3600	4804	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	94
PID 3600 wrote to memory of 2996	3600	cmd.exe	98
PID 3600 wrote to memory of 2996	3600	cmd.exe	98
PID 3600 wrote to memory of 2996	3600	cmd.exe	98
PID 4804 wrote to memory of 1872	4804	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	99
PID 4804 wrote to memory of 1872	4804	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	99
PID 4804 wrote to memory of 1872	4804	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	99
PID 1872 wrote to memory of 4436	1872	Flaseher.exe	103
PID 1872 wrote to memory of 4436	1872	Flaseher.exe	103
PID 1872 wrote to memory of 4436	1872	Flaseher.exe	103
PID 1872 wrote to memory of 4436	1872	Flaseher.exe	103
PID 1872 wrote to memory of 4436	1872	Flaseher.exe	103
PID 1872 wrote to memory of 4436	1872	Flaseher.exe	103
PID 1872 wrote to memory of 4436	1872	Flaseher.exe	103
PID 1872 wrote to memory of 4436	1872	Flaseher.exe	103
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104
PID 1872 wrote to memory of 4176	1872	Flaseher.exe	104

C:\Users\Admin\AppData\Local\Temp\a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
"C:\Users\Admin\AppData\Local\Temp\a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
  "C:\Users\Admin\AppData\Local\Temp\a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4804
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EVMBL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3600
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v ".Flasfh" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2996
- - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
    "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1872
  - - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
      "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4436
  - - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
      "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\EVMBL.txt

Filesize
145B

MD5
da0cbe87b720a79b294147ed6a4b98be

SHA1
ebf0dc9efd7a12cb192e355cda87546acb4ab360

SHA256
7ccfeff356fdccc9145bd1e263aa1c56360ca7b6552ed5a5665c596d02a627ed

SHA512
f55c4a3d24d2f11db5eda3c816d1cd3b8804a171a7bf715b13d60788247fbb352eafaa5bd4e0a8086c1013396be0a48c7bdb904ab0f974fa0c75e81e3d365acc

Download Submit
C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe

Filesize
116KB

MD5
bde248f1e46625d1723190c9d8147b95

SHA1
0947e383dbe655ce748941255c8ed02e614586ca

SHA256
37932f8fc167a2bd0ed634d6b7e94b7fbdcd32365e70b6843001d0fe01e4e033

SHA512
cc7105e40c7e9d2f6a1caef80e4d1f01fd3cabcb115fb907c53d078d549b42fc54a25e9bf534d1337d66bc7c2eda0e459423fd33c091b509051c1406d66d1226

Download Submit
memory/1872-42-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1872-39-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1872-55-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1872-41-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2304-3-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

Filesize
4KB

Download
memory/2304-2-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/2304-6-0x0000000002C90000-0x0000000002C91000-memory.dmp

Filesize
4KB

Download
memory/2304-7-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

Filesize
4KB

Download
memory/2304-4-0x0000000002C20000-0x0000000002C21000-memory.dmp

Filesize
4KB

Download
memory/2304-5-0x0000000002C80000-0x0000000002C81000-memory.dmp

Filesize
4KB

Download
memory/2304-13-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/4176-56-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4176-57-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4176-49-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4176-45-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4176-53-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4176-62-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4436-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download